280543379340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{667960427}}^1$

素因数の和:667960446

約数の個数: 48

約数和(自身を含む): 897738815232

約数和(自身を除く): 617195435892

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 667960427, 1335920854, 2003881281, 2671841708, 3339802135, 4007762562, 4675722989, 6679604270, 8015525124, 9351445978, 10019406405, 13359208540, 14027168967, 18702891956, 20038812810, 23378614945, 28054337934, 40077625620, 46757229890, 56108675868, 70135844835, 93514459780, 140271689670, 280543379340]

約数ペア:

[(1, 280543379340), (2, 140271689670), (3, 93514459780), (4, 70135844835), (5, 56108675868), (6, 46757229890), (7, 40077625620), (10, 28054337934), (12, 23378614945), (14, 20038812810), (15, 18702891956), (20, 14027168967), (21, 13359208540), (28, 10019406405), (30, 9351445978), (35, 8015525124), (42, 6679604270), (60, 4675722989), (70, 4007762562), (84, 3339802135), (105, 2671841708), (140, 2003881281), (210, 1335920854), (420, 667960427)]